[RFI] Sunpower Solar

Bill Steffey NY9H ny9h at arrl.net
Tue Nov 24 09:30:39 EST 2020

lots of google info ....  I did not know they 'acquired" the "solarworld 
factory"  in oregon. Those are great panels, they WERE guaranteed to 
exceed specs for 20 years. Upon install they put out over 15% above the 

But the panels would not be the problem.  IF they use optimizers on each 
panel and/or  use a noisy inverter that is where the problem would lie. 
Google indicates that one of the "owners" is a Chinese company.

call them and ask what brand are the components,

good luck./...     my 2 5 kilowatt inverters are SMA brand designed in 
Germany, assembled in USA...no noises.....

bill ny9h/3

On 11/24/2020 1:06 AM, HP wrote:
> Does anyone have any experience with a Solar installation done by a contractor for Sunpower Corporation Systems?
> I was able to track down a building permit for an installation going in about 150 feet away but the contractor on the permit
> is Sunpower Corporation Systems: and the listing is a warehouse here in Phoenix But the phone
> number is a 510-367-9864 which is around Oakland, Ca. -
> The AZ ROC numbers for that Sunpower Corporation Systems all say the license is issued to a foreign company operation in Phoenix.
> No telephone numbers there.
> Apparently Sunpower is really a supplier of solar panels worldwide and systems - but my first attempt to find anyone who knows
> from the California website anything about radio interference a or even that "contractor" was not successful -seemed pretty evasive.
> I will try a different approach tomorrow - or is the process - they finish an install and then see if noise occurs ??
> Hank K7HP
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